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Ubuntu 21.04 crash when I connect to a wifi network?

cn flag

I upgraded ubuntu 20.10 to 21.04 and everything was working fine until I connected to my wireless network and there the whole system shut down. I can't do anything except force restart. But when I connect to a wired network I don't have this problem. What should I do to fix this?

waltinator avatar
it flag
Look at the logs! `sudo journalctl -b 0 -u NetworkManager`. Read `man journalctl`.
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